56406234 has 16 divisors (see below), whose sum is σ = 114402240. Its totient is φ = 18537120.

The previous prime is 56406209. The next prime is 56406253. The reversal of 56406234 is 43260465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65779 + ... + 66630.

It is an arithmetic number, because the mean of its divisors is an integer number (7150140).

Almost surely, 2^56406234 is an apocalyptic number.

56406234 is an abundant number, since it is smaller than the sum of its proper divisors (57996006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56406234 is a wasteful number, since it uses less digits than its factorization.

56406234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132485.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 56406234 is about 7510.4083777116. The cubic root of 56406234 is about 383.5091248331.

Adding to 56406234 its reverse (43260465), we get a palindrome (99666699).

The spelling of 56406234 in words is "fifty-six million, four hundred six thousand, two hundred thirty-four".